feat: set area after teleport

lib/game/chat.ex

@@ -76,8 +76,15 @@ defmodule ThistleTea.Game.Chat do
   end
 
   def teleport_player(state, x, y, z, map) do
+    area =
+      case ThistleTea.Pathfinding.get_zone_and_area(map, {x, y, z}) do
+        {_zone, area} -> area
+        nil -> state.character.area
+      end
+
     character =
       state.character
+      |> Map.put(:area, area)
       |> Map.put(:map, map)
       |> Map.put(
         :movement,

lib/pathfinding.ex

@@ -0,0 +1,22 @@
+defmodule ThistleTea.Pathfinding do
+  def get_zone_and_area(map_id, {x, y, z}) do
+    load_adt_at(map_id, {x, y})
+    ThistleTea.Namigator.get_zone_and_area(map_id, x, y, z)
+  end
+
+  def find_random_point_around_circle(map_id, {x, y, z}, radius) do
+    load_adt_at(map_id, {x, y})
+    ThistleTea.Namigator.find_random_point_around_circle(map_id, x, y, z, radius)
+  end
+
+  def find_path(map_id, {start_x, start_y, start_z}, {stop_x, stop_y, stop_z}) do
+    load_adt_at(map_id, {start_x, start_y})
+    load_adt_at(map_id, {stop_x, stop_y})
+    ThistleTea.Namigator.find_path(map_id, start_x, start_y, start_z, stop_x, stop_y, stop_z)
+  end
+
+  defp load_adt_at(map_id, {x, y}) do
+    # TODO: store in :ets or similar, maybe with last access time, and unload periodically?
+    ThistleTea.Namigator.load_adt_at(map_id, x, y)
+  end
+end